(1) What was the (a) monetary value of products that were bought by government departments from the Sheltered Employment Services in the 2011-12 financial year and (b) age analysis of amounts due by each specified client as at 31 March 2012; (2) whether any amounts due were written off as irrecoverable since 1 January 2012; if not, why not; if so, what are the relevant details; (3) whether she has found that it is necessary to improve the management of debtors of the Sheltered Employment Services; if not, why not; if so, what are the relevant details?